1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 Although they range from $150-$400 or more, a large capacity (25-70 pints) dehumidifier for a basement (the dampest portion of most homes) or other large area averages $200-$300.
If using a desiccant one the answer is yes; however, many units, such as the Energy Star ones, cost quite little to operate. The dehumidifier energy cost will vary depending how much humidity you have and how big an area is. For a typical basement, you can expect to pay around $15-25 per month.Have a look at the best rated energy efficient dehumidifiers currently available on the market.n average, a desiccant dehumidifier will be 50% less energy efficient then a refrigerator coil system. The next step is to look for a model thatâs Energy Star rated. Energy Star is a government group that evaluates a host of electrical products to determine how energy efficient products are.